Merge remote-tracking branch 'origin/master'

README.md

 # Mirai
 
-一个以<b>TIM QQ协议</b>驱动的JAVA <b>全开源</b> QQ机器人服务端核心<br>
+一个以<b>TIM QQ协议</b>驱动的JAVA(+Kotlin) <b>全开源</b> QQ机器人服务端核心<br>
 不受由于<b>SMARTQQ</b>关停的影响<br>
-项目仍处于开发阶段<br>
+项目处于快速开发阶段<br>
+由于是学生, 无法每日更新<br>
 一切开发旨在学习, 请勿用于非法用途<br>
 
 <br>
 
-a JAVA powered open-sources project under GPL license<br>
+A JAVA(+Kotlin) powered open-sources project under GPL license<br>
 It use protocols from <i>TIM QQ</i>, meaning it won't be affect by the close of <i>smart QQ</i><br>
 The project is all for <b>learning proposes</b> and still in <b>developing stage</b><br>
 
@@ -15,10 +16,8 @@ The project is all for <b>learning proposes</b> and still in <b>developing stage
 
 ## 使用方法
 ### 要求
-``` php
-    Java 10 或以上
-    ...
-```
+- Java 11 或更高
+- Kotlin
 ### 插件开发
 ``` php
     to be continue
@@ -28,10 +27,8 @@ The project is all for <b>learning proposes</b> and still in <b>developing stage
 
 ## Usage
 ### Requirements
-``` php
-    Java 10 or higher
-    ...
-```
+- Java 11 or higher
+- Kotlin
 ### Plugin Developments
 ``` php
     to be continue

mirai-core/src/main/java/net/mamoe/mirai/utils/config/MiraiConfig.java

@@ -33,6 +33,9 @@ public class MiraiConfig {
         }
         this.file = file;
         try {
+            if(file.exists()){
+                file.createNewFile();
+            }
             Config config = new Config();
             config.setMultiSection(true);
             ini = new Ini();
@@ -78,6 +81,7 @@ public class MiraiConfig {
             }
             a.saveAsSection(ini.get(k));
         });
+        this.clearCache();
         try {
             ini.store(file);
         } catch (IOException e) {